is it possible to get 1:1 input but have 7/11 windows sensitivity?

No, 7/11 has a 1.5x count multiplier, so you will only be 1:1 every other count. raw input games would be fine though, but I recommend you read the

Windows pointer speed (WPS) 6/11 ? : 

and

High DPI or Low DPI? (+ pixel skipping) :

sections of this post:

https://www.mouse-sensitivity.com/forum/topic/4704-conversion-method-guide-and-other-faqs/

they're at the bottom of the main post

Edited October 6, 20187 yr by Skidushe